Medicine (Baltimore) 2015 Sep;94(39):e1512
From the Institute of Biomedical Sciences, Faculty of Medicine, University of Chile (PVD, AAG, JG); Department of Public Health, Catholic University (GV); Department of Immunology, Faculty of Sciences, University of Chile (MRB); Department of Pediatrics, Faculty of Medicine, University of Chile (GZ); San Borja-Arriarán, Clinical Hospital (MR, MLB); and Family Health Center "Agustin Cruz Melo", North Health Service, Santiago (PU).